UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EA0XkwR8Tef7RINNOb68+jZ31izRMYZlZDpxWxI9WI4=' 
WHERE 
  key_id = '02a0cd702c5a1aa8176ee6ed3f3b8bd09403364ff0a755feb571e882e268ce1b' 
  AND (
    token = 'EA0XkwR8Tef7RINNOb68+jZ31izRMYZlZDpxWxI9WI4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029